C-12 compliance in San Mateo — CSLB data
CSLB's license file (September 2026) lists 4 active C-12 licenses based in San Mateo. 25% show a workers' comp policy and 75% are filed exempt.
1 of them are suspended (0 workers' comp / 1 bond) — a suspended license cannot legally contract.
San Mateo County totals: 20 C-12 licenses; 0 suspended for workers' comp, 2 for bonds.
0% of San Mateo's C-12 licenses are 20+ years old, 50% are newer than three years (median 4.1 years).
What CSLB requires for a C-12 license
- License bond: $25,000 on file with CSLB.
- Workers' comp: required with employees; mandatory for all active licenses from January 1, 2028 (SB 1455).
- LLC licenses: $1M+ liability insurance and a $100,000 employee/worker bond.
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Frequently asked questions
How many C-12 licenses in San Mateo are suspended?
As of September 2026, 0 for workers' comp and 1 for bond issues, out of 4 active C-12 licenses based in San Mateo.
Do C-12 contractors need workers' comp?
Yes with employees. Solo operators can currently file an exemption; from January 1, 2028, CSLB will require it for all active licenses (SB 1455), except joint ventures.